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