C111113331333132322331333133313331323132311211331323223313222221   >>    C11111333133313232233133313331333132313231121133132322331322222   <<    C111113331333132322331333133313331323132311211331323223313222223   >>      C111113331333132322331333133313331323132311211331323223313222222   >>