C111113331333132322331333133313331333132313223211113313232211211331   >>    C11111333133313232233133313331333133313231322321111331323221121133   <<    C111113331333132322331333133313331333132313223211113313232211211333   >>      C111113331333132322331333133313331333132313223211113313232211211332   >>