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

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

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

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

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