C312322331333132212111133133313331312111133132313331333131123313221311   >>    C31232233133313221211113313331333131211113313231333133313112331322131   <<    C312322331333132212111133133313331312111133132313331333131123313221313   >>      C312322331333132212111133133313331312111133132313331333131123313221312   >>