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

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

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

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

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