C11111211113313112113313331333132313331322132333133313231323132133311   >>    C1111121111331311211331333133313231333132213233313331323132313213331   <<    C11111211113313112113313331333132313331322132333133313231323132133313   >>      C11111211113313112113313331333132313331322132333133313231323132133312   >>