C11112331312111112111133132313331333133313232212113313133112121   >>    C1111233131211111211113313231333133313331323221211331313311212   <<    C11112331312111112111133132313331333133313232212113313133112123   >>      C11112331312111112111133132313331333133313232212113313133112122   >>