C313212111133131211331333133313331333132212113313331322333131231121   >>    C31321211113313121133133313331333133313221211331333132233313123112   <<    C313212111133131211331333133313331333132212113313331322333131231123   >>      C313212111133131211331333133313331333132212113313331322333131231122   >>