C111113331333133312112113313331333133313231333133313331333133112111   >>    C11111333133313331211211331333133313331323133313331333133313311211   <<    C111113331333133312112113313331333133313231333133313331333133112113   >>      C111113331333133312112113313331333133313231333133313331333133112112   >>