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