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

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

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

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

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