C312322331333132212111133133313331312111133132313331312113313331333132331211   >>    C31232233133313221211113313331333131211113313231333131211331333133313233121   <<    C312322331333132212111133133313331312111133132313331312113313331333132331213   >>      C312322331333132212111133133313331312111133132313331312113313331333132331212   >>