C11112331312111112111133133313331333131333132312111113331323221211331   >>    C1111233131211111211113313331333133313133313231211111333132322121133   <<    C11112331312111112111133133313331333131333132312111113331323221211333   >>      C11112331312111112111133133313331333131333132312111113331323221211332   >>