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

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

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

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

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