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