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

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

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

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

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