C1111233133313231133133313311211113313231323223313331322132311231   >>    C111123313331323113313331331121111331323132322331333132213231123   <<    C1111233133313231133133313311211113313231323223313331322132311233   >>      C1111233133313231133133313311211113313231323223313331322132311232   >>