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

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

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

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

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