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

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

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

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

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