C1111233133313231133133313331333132313231333121111121111332322122321   >>    C111123313331323113313331333133313231323133312111112111133232212232   <<    C1111233133313231133133313331333132313231333121111121111332322122323   >>      C1111233133313231133133313331333132313231333121111121111332322122322   >>