C31232233133313221211113313331333132313331322121133133313331312111133132313311   >>    C3123223313331322121111331333133313231333132212113313331333131211113313231331   <<    C31232233133313221211113313331333132313331322121133133313331312111133132313313   >>      C31232233133313221211113313331333132313331322121133133313331312111133132313312   >>