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

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

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

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

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