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

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

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

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

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