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