C111113331333132322331333133313331323132311211331323133313231333132233112331   >>    C11111333133313232233133313331333132313231121133132313331323133313223311233   <<    C111113331333132322331333133313331323132311211331323133313231333132233112333   >>      C111113331333132322331333133313331323132311211331323133313231333132233112332   >>