C133323133112111133133313331333133313211231333133313133313232321   >>    C13332313311211113313331333133313331321123133313331313331323232   <<    C133323133112111133133313331333133313211231333133313133313232323   >>      C133323133112111133133313331333133313211231333133313133313232322   >>