C312322331333132212111133133313331333133312121111331323222312311   >>    C31232233133313221211113313331333133313331212111133132322231231   <<    C312322331333132212111133133313331333133312121111331323222312313   >>      C312322331333132212111133133313331333133312121111331323222312312   >>