C312322331333132212111133133313331312111133132313331312113313331333132232221   >>    C31232233133313221211113313331333131211113313231333131211331333133313223222   <<    C312322331333132212111133133313331312111133132313331312113313331333132232223   >>      C312322331333132212111133133313331312111133132313331312113313331333132232222   >>