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

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

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

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

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