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