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