C3121113331311331313233313231331123132313232233132313112331311331323132211111
>>
C312111333131133131323331323133112313231323223313231311233131133132313221111
<<
C3121113331311331313233313231331123132313232233132313112331311331323132211113
>>
C3121113331311331313233313231331123132313232233132313112331311331323132211112
>>