C1111233133313231133133313231333133313331323311121111331311311311   >>    C111123313331323113313331323133313331333132331112111133131131131   <<    C1111233133313231133133313231333133313331323311121111331311311313   >>      C1111233133313231133133313231333133313331323311121111331311311312   >>