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