C11111211113313112113313331333132313331322132333133313331121311   >>    C1111121111331311211331333133313231333132213233313331333112131   <<    C11111211113313112113313331333132313331322132333133313331121313   >>      C11111211113313112113313331333132313331322132333133313331121312   >>