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