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