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

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

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

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

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