C1111121111331311211331333133313331333133313231333133313331233132321   >>    C111112111133131121133133313331333133313331323133313331333123313232   <<    C1111121111331311211331333133313331333133313231333133313331233132323   >>      C1111121111331311211331333133313331333133313231333133313331233132322   >>