(0 18 3)(1 20 11)(2 9 6)(4 17 15)(5 12 10)(7 14 8)(13 19 16)
ALLOWS (11/8)-SEQUENCE
1: (1 7 14)

(0 18 3)(1 8 7 20 11)(2 9 6)(4 17 15)(5 12 10)(13 19 16)(14)
2: (1 8 11)

(0 18 3)(1)(2 9 6)(4 17 15)(5 12 10)(7 20 11)(8)(13 19 16)(14)
3: (5 12 10)

(0 18 3)(1)(2 9 6)(4 17 15)(5)(7 20 11)(8)(10)(12)(13 19 16)(14)
4: (2 9 6)

(0 18 3)(1)(2)(4 17 15)(5)(6)(7 20 11)(8)(9)(10)(12)(13 19 16)(14)