C1111233133313231133133313331333133313231323112331333131323133313231333221   >>    C111123313331323113313331333133313331323132311233133313132313331323133322   <<    C1111233133313231133133313331333133313231323112331333131323133313231333223   >>      C1111233133313231133133313331333133313231323112331333131323133313231333222   >>