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

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

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

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

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