(0 19 17 13 11)(1 20 15 9 3)(2 8 4)(5 12 10)(6 21 7)(14 18 16)
ALLOWS (11/8)-SEQUENCE
1: (0 1 11)
(0)(1 19 17 13 11 20 15 9 3)(2 8 4)(5 12 10)(6 21 7)(14 18 16)
2: (15 17 20)
(0)(1 19 17 9 3)(2 8 4)(5 12 10)(6 21 7)(11 20 13)(14 18 16)(15)
3: (14 18 16)
(0)(1 19 17 9 3)(2 8 4)(5 12 10)(6 21 7)(11 20 13)(14)(15)(16)(18)
4: (9 19 17)
(0)(1 19 3)(2 8 4)(5 12 10)(6 21 7)(9)(11 20 13)(14)(15)(16)(17)(18)