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

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

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

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

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