C22213331333133313112331323133313331333131311331333133313232321322123211331   >>    C2221333133313331311233132313331333133313131133133313331323232132212321133   <<    C22213331333133313112331323133313331333131311331333133313232321322123211333   >>      C22213331333133313112331323133313331333131311331333133313232321322123211332   >>