C11111211113313112113313331333132313331322132333133313231323133313231   >>    C1111121111331311211331333133313231333132213233313331323132313331323   <<    C11111211113313112113313331333132313331322132333133313231323133313233   >>      C11111211113313112113313331333132313331322132333133313231323133313232   >>