C21111113313132322331323331323113313233313331323133313233313231323133311   >>    C2111111331313232233132333132311331323331333132313331323331323132313331   <<    C21111113313132322331323331323113313233313331323133313233313231323133313   >>      C21111113313132322331323331323113313233313331323133313233313231323133312   >>