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