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

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

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

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

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