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

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

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

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

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