C11112331312111112111133132313331333133313232212111113331333221331   >>    C1111233131211111211113313231333133313331323221211111333133322133   <<    C11112331312111112111133132313331333133313232212111113331333221333   >>      C11112331312111112111133132313331333133313232212111113331333221332   >>