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