C1111233131211111211113313331333132313231323223313331323133112312112211231131   >>    C111123313121111121111331333133313231323132322331333132313311231211221123113   <<    C1111233131211111211113313331333132313231323223313331323133112312112211231133   >>      C1111233131211111211113313331333132313231323223313331323133112312112211231132   >>