C312322331333132212111133133313331333131122233132313331121132321   >>    C31232233133313221211113313331333133313112223313231333112113232   <<    C312322331333132212111133133313331333131122233132313331121132323   >>      C312322331333132212111133133313331333131122233132313331121132322   >>