C111113331333132322331333133313331311331312111111331313231312321   >>    C11111333133313232233133313331333131133131211111133131323131232   <<    C111113331333132322331333133313331311331312111111331313231312323   >>      C111113331333132322331333133313331311331312111111331313231312322   >>