C111113331333132322331333133313331333132313331333133323223212221   >>    C11111333133313232233133313331333133313231333133313332322321222   <<    C111113331333132322331333133313331333132313331333133323223212223   >>      C111113331333132322331333133313331333132313331333133323223212222   >>