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