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