C11111333133313232233133313331333132313231121133131133132313232322131   >>    C1111133313331323223313331333133313231323112113313113313231323232213   <<    C11111333133313232233133313331333132313231121133131133132313232322133   >>      C11111333133313232233133313331333132313231121133131133132313232322132   >>