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