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

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

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

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

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