C31232233133313221211113313331333132313331322121111123121111133313331313132311   >>    C3123223313331322121111331333133313231333132212111112312111113331333131313231   <<    C31232233133313221211113313331333132313331322121111123121111133313331313132313   >>      C31232233133313221211113313331333132313331322121111123121111133313331313132312   >>