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

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

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

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

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