C111113331333133312112113313331333133313231333133313331333131133221211   >>    C11111333133313331211211331333133313331323133313331333133313113322121   <<    C111113331333133312112113313331333133313231333133313331333131133221213   >>      C111113331333133312112113313331333133313231333133313331333131133221212   >>