C111123313331323113313331333133313231333133313331331121111133321   >>    C11112331333132311331333133313331323133313331333133112111113332   <<    C111123313331323113313331333133313231333133313331331121111133323   >>      C111123313331323113313331333133313231333133313331331121111133322   >>