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

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

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

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

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