C31232233133313221211113313331333132313331322121133132313331313232313311   >>    C3123223313331322121111331333133313231333132212113313231333131323231331   <<    C31232233133313221211113313331333132313331322121133132313331313232313313   >>      C31232233133313221211113313331333132313331322121133132313331313232313312   >>