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