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