C111113331333132322331333133313331333132313121111331311213211331   >>    C11111333133313232233133313331333133313231312111133131121321133   <<    C111113331333132322331333133313331333132313121111331311213211333   >>      C111113331333132322331333133313331333132313121111331311213211332   >>