C1111233131211111211113313331333132313231323223313232223323132331   >>    C111123313121111121111331333133313231323132322331323222332313233   <<    C1111233131211111211113313331333132313231323223313232223323132333   >>      C1111233131211111211113313331333132313231323223313232223323132332   >>