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

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

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

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

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