C31232233133313221211113313331333132313331322121133133313233311232313232311   >>    C3123223313331322121111331333133313231333132212113313331323331123231323231   <<    C31232233133313221211113313331333132313331322121133133313233311232313232313   >>      C31232233133313221211113313331333132313331322121133133313233311232313232312   >>