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

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

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

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

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