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

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

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

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

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