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

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

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

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

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