C111113331333132322331333133313331333132313331333133311233133112212321   >>    C11111333133313232233133313331333133313231333133313331123313311221232   <<    C111113331333132322331333133313331333132313331333133311233133112212323   >>      C111113331333132322331333133313331333132313331333133311233133112212322   >>