C11112331333132311331333133313331323132313331211111323132313331322112131   >>    C1111233133313231133133313331333132313231333121111132313231333132211213   <<    C11112331333132311331333133313331323132313331211111323132313331322112133   >>      C11112331333132311331333133313331323132313331211111323132313331322112132   >>