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

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

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

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

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