C132233133112121111331333133313231333133313231323221323133313121   >>    C13223313311212111133133313331323133313331323132322132313331312   <<    C132233133112121111331333133313231333133313231323221323133313123   >>      C132233133112121111331333133313231333133313231323221323133313122   >>