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

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

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

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

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