C111113331333132322331333133313331323132311211331323132312323211   >>    C11111333133313232233133313331333132313231121133132313231232321   <<    C111113331333132322331333133313331323132311211331323132312323213   >>      C111113331333132322331333133313331323132311211331323132312323212   >>