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

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

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

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

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