C312322331333132212111133133313331312111133132313331312233233311   >>    C31232233133313221211113313331333131211113313231333131223323331   <<    C312322331333132212111133133313331312111133132313331312233233313   >>      C312322331333132212111133133313331312111133132313331312233233312   >>