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

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

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

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

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