C11112331312111112111133133313331333132112312113313231333133321333132221   >>    C1111233131211111211113313331333133313211231211331323133313332133313222   <<    C11112331312111112111133133313331333132112312113313231333133321333132223   >>      C11112331312111112111133133313331333132112312113313231333133321333132222   >>