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