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