C11112331312111112111133132313331333133313232212111133133112111133133322332311   >>    C1111233131211111211113313231333133313331323221211113313311211113313332233231   <<    C11112331312111112111133132313331333133313232212111133133112111133133322332313   >>      C11112331312111112111133132313331333133313232212111133133112111133133322332312   >>