C1111233131211111211113313331323133313231323223313331323133112311331   >>    C111123313121111121111331333132313331323132322331333132313311231133   <<    C1111233131211111211113313331323133313231323223313331323133112311333   >>      C1111233131211111211113313331323133313231323223313331323133112311332   >>