C111123313331323113313331333133313331323132311233132322112113331   >>    C11112331333132311331333133313331333132313231123313232211211333   <<    C111123313331323113313331333133313331323132311233132322112113333   >>      C111123313331323113313331333133313331323132311233132322112113332   >>