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