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

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

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

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

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