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

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

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

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

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