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