C312322331333132212111133133313331323133313233313331323132322321111331313233331   >>    C31232233133313221211113313331333132313331323331333132313232232111133131323333   <<    C312322331333132212111133133313331323133313233313331323132322321111331313233333   >>      C312322331333132212111133133313331323133313233313331323132322321111331313233332   >>