C1111233133313231133133313331333132313231333131323221323132312131   >>    C111123313331323113313331333133313231323133313132322132313231213   <<    C1111233133313231133133313331333132313231333131323221323132312133   >>      C1111233133313231133133313331333132313231333131323221323132312132   >>