C132233133112121111331333133313231333133313231212111111211131121   >>    C13223313311212111133133313331323133313331323121211111121113112   <<    C132233133112121111331333133313231333133313231212111111211131123   >>      C132233133112121111331333133313231333133313231212111111211131122   >>