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