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

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

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

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

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