C1111121111331311211331333133313331311312111133133313331322112321   >>    C111112111133131121133133313331333131131211113313331333132211232   <<    C1111121111331311211331333133313331311312111133133313331322112323   >>      C1111121111331311211331333133313331311312111133133313331322112322   >>