C111113331333132322331333133313331333132313121111331311212111113231121121   >>    C11111333133313232233133313331333133313231312111133131121211111323112112   <<    C111113331333132322331333133313331333132313121111331311212111113231121123   >>      C111113331333132322331333133313331333132313121111331311212111113231121122   >>