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

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

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

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

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