C1111133313331323223313331333133313331323131233132313113311211321   >>    C111113331333132322331333133313331333132313123313231311331121132   <<    C1111133313331323223313331333133313331323131233132313113311211323   >>      C1111133313331323223313331333133313331323131233132313113311211322   >>