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