C3123223313331322121111331333132313331323331323331323133313231322221   >>    C312322331333132212111133133313231333132333132333132313331323132222   <<    C3123223313331322121111331333132313331323331323331323133313231322223   >>      C3123223313331322121111331333132313331323331323331323133313231322222   >>