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