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