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