C31232233133313221211113313331333132313233312111133112113121121   >>    C3123223313331322121111331333133313231323331211113311211312112   <<    C31232233133313221211113313331333132313233312111133112113121123   >>      C31232233133313221211113313331333132313233312111133112113121122   >>