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