C1111233133313231133133313331333132313231333132313111323132333132221   >>    C111123313331323113313331333133313231323133313231311132313233313222   <<    C1111233133313231133133313331333132313231333132313111323132333132223   >>      C1111233133313231133133313331333132313231333132313111323132333132222   >>