C11212213133313132313231322132313231333132313112331323331323223313233131   >>    C1121221313331313231323132213231323133313231311233132333132322331323313   <<    C11212213133313132313231322132313231333132313112331323331323223313233133   >>      C11212213133313132313231322132313231333132313112331323331323223313233132   >>