C31232233133313221211113313331333132313331322121111331313331323233233313222211   >>    C3123223313331322121111331333133313231333132212111133131333132323323331322221   <<    C31232233133313221211113313331333132313331322121111331313331323233233313222213   >>      C31232233133313221211113313331333132313331322121111331313331323233233313222212   >>