C1111233131211111211113313331323133313231333133313232233133313132331   >>    C111123313121111121111331333132313331323133313331323223313331313233   <<    C1111233131211111211113313331323133313231333133313232233133313132333   >>      C1111233131211111211113313331323133313231333133313232233133313132332   >>