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

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

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

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

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