C21111113313132322331323331323113313233313331323133313113313221311   >>    C2111111331313232233132333132311331323331333132313331311331322131   <<    C21111113313132322331323331323113313233313331323133313113313221313   >>      C21111113313132322331323331323113313233313331323133313113313221312   >>