No1 +---+---+---+---+---+---+ | B | | +---+ +---+---+ + | | | C | + +---+ +---+---+---+ | | | A | | + +---+---+ +---+ + | | D | | F | + + + + + | | | | | + + +---+---+---+ + | E | | | +---+---+---+---+---+---+ No2 +---+---+---+---+---+---+ | F | | | +---+ +---+ +---+ + | | | | | + + +---+ +---+ + | | | D | | | + + +---+---+ + + | B | D | A | E | + +---+---+ + + | | | | +---+---+---+---+---+---+ | C | +---+---+---+---+---+---+ No3 +---+---+---+---+---+---+ | A | | | + + +---+---+---+ + | | B | | + +---+---+---+ + + | | | | F | +---+ +---+ +---+---+ | | | C | + +---+---+---+ +---+ | D | | | + +---+---+---+---+ + | | E | +---+---+---+---+---+---+ No4 +---+---+---+---+---+---+ | | F | +---+---+ +---+ +---+ | A | | | | | + +---+ + + + + | | C | | | | + +---+---+ + + + | | B | | | + +---+---+ +---+ + | | | D | | +---+---+ +---+---+ + | E | | +---+---+---+---+---+---+ No5 +---+---+---+---+---+---+ | A | F | + +---+---+ + +---+ | | B | | | | +---+---+ +---+ + + | | | | | + +---+ +---+ + + | | | E | | + +---+---+---+---+ + | C | | | +---+---+---+ +---+ + | D | | +---+---+---+---+---+---+ No6 +---+---+---+---+---+---+ | | F | + +---+---+ +---+---+ | A | | | | | + +---+ +---+ + + | | B | | + +---+---+---+---+ + | | C | | + + +---+---+ +---+ | | | | E | | +---+ +---+ +---+ + | | D | +---+---+---+---+---+---+ No7 +---+---+---+---+---+---+ | | B | F | + + +---+---+ + + | A | | | | | + +---+---+ +---+ + | | E | | + +---+---+ +---+ + | | | | | +---+ +---+---+ +---+ | C | | | + +---+---+---+---+ + | | D | +---+---+---+---+---+---+ No8 +---+---+---+---+---+---+ | E | | | + +---+ + + | | | | +---+---+ + +---+ + | C | | B | | + +---+ +---+ + | | | D | F | +---+ +---+---+ +---+ | | | | | + +---+ +---+ + | A | | +---+---+---+---+---+---+ No9 +---+---+---+---+---+---+ | | | E | + +---+ +---+ + | | | D | | + +---+ + +---+ + | | C | | | +---+ + +---+ +---+ | | B | | | + +---+---+---+ +---+ | A | | | | + +---+ +---+ + | | F | +---+---+---+---+---+---+ No10 +---+---+---+---+---+---+ | | | D | | + +---+ +---+ + + | | B | | | + +---+ + + + | A | | | | +---+ +---+---+ + + | | | | E | | + +---+ +---+---+ + | | | F | + +---+---+ +---+---+ | | C | +---+---+---+---+---+---+ No11 +---+---+---+---+---+---+ | | | | + +---+ + + | B | C | | E | +---+ + + +---+ + | E | | | D | | + + + +---+ + + | | | | | F | + +---+ +---+---+ | | | A | + +---+---+ + | | | +---+---+---+---+---+---+ No12 +---+---+---+---+---+---+ | F | | | + +---+---+ + + | | E | | A | + +---+ + +---+ + | | C | | B | | + + + + + + | | | | | | +---+ + +---+---+---+ | | | | + +---+---+ + | | D | +---+---+---+---+---+---+ No13 +---+---+---+---+---+---+ | | D | +---+ +---+---+---+ + | A | | E | | + +---+ +---+ + + | | | | | | + +---+---+ + +---+ | | B | | + + +---+ +---+ + | | | | | | | + +---+ +---+ + + | | C | F | +---+---+---+---+---+---+ No14 +---+---+---+---+---+---+ | | | + +---+---+---+---+ + | F | D | +---+---+---+---+---+---+ | A | | + +---+---+---+---+ + | | E | B | + + +---+ +---+ + | | | | | | + +---+ +---+---+---+ | | C | +---+---+---+---+---+---+