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