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

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

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

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

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