C1111233131211111211113313331323133313231323223313331313232332231   >>    C111123313121111121111331333132313331323132322331333131323233223   <<    C1111233131211111211113313331323133313231323223313331313232332233   >>      C1111233131211111211113313331323133313231323223313331313232332232   >>