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