C3123223313331322121111331333133313231333132212113313331121121132311   >>    C312322331333132212111133133313331323133313221211331333112112113231   <<    C3123223313331322121111331333133313231333132212113313331121121132313   >>      C3123223313331322121111331333133313231333132212113313331121121132312   >>