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