C312322331333132212111133133313331323132322331333133313211232321   >>    C31232233133313221211113313331333132313232233133313331321123232   <<    C312322331333132212111133133313331323132322331333133313211232323   >>      C312322331333132212111133133313331323132322331333133313211232322   >>