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

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

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

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

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