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

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

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

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

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