C1111233133313231133133313231333133313331323312111133133313231333133313121111   >>    C111123313331323113313331323133313331333132331211113313331323133313331312111   <<    C1111233133313231133133313231333133313331323312111133133313231333133313121113   >>      C1111233133313231133133313231333133313331323312111133133313231333133313121112   >>