C1111233133313231133133313331333133313231121333133313331323131133132322123331   >>    C111123313331323113313331333133313331323112133313331333132313113313232212333   <<    C1111233133313231133133313331333133313231121333133313331323131133132322123333   >>      C1111233133313231133133313331333133313231121333133313331323131133132322123332   >>