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

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

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

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

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