C312322331333132212111133133313331333131122233132313331323133322331333132212321   >>    C31232233133313221211113313331333133313112223313231333132313332233133313221232   <<    C312322331333132212111133133313331333131122233132313331323133322331333132212323   >>      C312322331333132212111133133313331333131122233132313331323133322331333132212322   >>