(0 19 6 5 2)(1 20 14 4 3)(7 18 9)(8 12 10)(11 16 13)(15 21 17)
ALLOWS (11/8)-SEQUENCE
1: (0 5 16)
(0 13 11 16 2)(1 20 14 4 3)(5 19 6)(7 18 9)(8 12 10)(15 21 17)
2: (4 20 14)
(0 13 11 16 2)(1 20 3)(4)(5 19 6)(7 18 9)(8 12 10)(14)(15 21 17)
3: (15 21 17)
(0 13 11 16 2)(1 20 3)(4)(5 19 6)(7 18 9)(8 12 10)(14)(15)(17)(21)
4: (2 11 16)
(0 13 11)(1 20 3)(2)(4)(5 19 6)(7 18 9)(8 12 10)(14)(15)(16)(17)(21)