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