C31232233133313221211113313331333132313331322121111123121111332313111211   >>    C3123223313331322121111331333133313231333132212111112312111133231311121   <<    C31232233133313221211113313331333132313331322121111123121111332313111213   >>      C31232233133313221211113313331333132313331322121111123121111332313111212   >>