C1111133313331323223313331333133313231333131211113313223331233131   >>    C111113331333132322331333133313331323133313121111331322333123313   <<    C1111133313331323223313331333133313231333131211113313223331233133   >>      C1111133313331323223313331333133313231333131211113313223331233132   >>