C313212111113331323312111133133313331333133313331333133313221333132313111   >>    C31321211111333132331211113313331333133313331333133313331322133313231311   <<    C313212111113331323312111133133313331333133313331333133313221333132313113   >>      C313212111113331323312111133133313331333133313331333133313221333132313112   >>