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

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

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

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

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