C31232233133313221211113313331333132313331322121111332212111133133321232311   >>    C3123223313331322121111331333133313231333132212111133221211113313332123231   <<    C31232233133313221211113313331333132313331322121111332212111133133321232313   >>      C31232233133313221211113313331333132313331322121111332212111133133321232312   >>