C313331311233133313112331333132313331323132322331333133313222121221   >>    C31333131123313331311233133313231333132313232233133313331322212122   <<    C313331311233133313112331333132313331323132322331333133313222121223   >>      C313331311233133313112331333132313331323132322331333133313222121222   >>