C1111233133313231133133313311211113313231323223331211111333131121311   >>    C111123313331323113313331331121111331323132322333121111133313112131   <<    C1111233133313231133133313311211113313231323223331211111333131121313   >>      C1111233133313231133133313311211113313231323223331211111333131121312   >>