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

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

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

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

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