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

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

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

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

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