C312322331333132212111133133313331323133313221211113313331313232211311   >>    C31232233133313221211113313331333132313331322121111331333131323221131   <<    C312322331333132212111133133313331323133313221211113313331313232211313   >>      C312322331333132212111133133313331323133313221211113313331313232211312   >>