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