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