C1111233133313231133133313331333132313231333121111331313331322313112121   >>    C111123313331323113313331333133313231323133312111133131333132231311212   <<    C1111233133313231133133313331333132313231333121111331313331322313112123   >>      C1111233133313231133133313331333132313231333121111331313331322313112122   >>