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