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