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