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

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

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

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

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