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