C111113331333132322331333133313331323132311211331323223313221211   >>    C11111333133313232233133313331333132313231121133132322331322121   <<    C111113331333132322331333133313331323132311211331323223313221213   >>      C111113331333132322331333133313331323132311211331323223313221212   >>