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