C1111121111331311211331333133313231333132211312111133133322333122321   >>    C111112111133131121133133313331323133313221131211113313332233312232   <<    C1111121111331311211331333133313231333132211312111133133322333122323   >>      C1111121111331311211331333133313231333132211312111133133322333122322   >>