C31232233133313221211113313331333132313331322121111332212111133112133313121   >>    C3123223313331322121111331333133313231333132212111133221211113311213331312   <<    C31232233133313221211113313331333132313331322121111332212111133112133313123   >>      C31232233133313221211113313331333132313331322121111332212111133112133313122   >>