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