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