C3121113331313231323132333131313231323131323223313233313233313232233133321211
>>
C312111333131323132313233313131323132313132322331323331323331323223313332121
<<
C3121113331313231323132333131313231323131323223313233313233313232233133321213
>>
C3121113331313231323132333131313231323131323223313233313233313232233133321212
>>