C312322331333132212111133133313331323133313233313133313231333131211   >>    C31232233133313221211113313331333132313331323331313331323133313121   <<    C312322331333132212111133133313331323133313233313133313231333131213   >>      C312322331333132212111133133313331323133313233313133313231333131212   >>