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

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

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

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

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