C312322331333132212111133133313331312111133132233132322331333132323223331   >>    C31232233133313221211113313331333131211113313223313232233133313232322333   <<    C312322331333132212111133133313331312111133132233132322331333132323223333   >>      C312322331333132212111133133313331312111133132233132322331333132323223332   >>