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