C312322331333132212111133133313331312111133132313331322321111331312121   >>    C31232233133313221211113313331333131211113313231333132232111133131212   <<    C312322331333132212111133133313331312111133132313331322321111331312123   >>      C312322331333132212111133133313331312111133132313331322321111331312122   >>