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