C123213232213331322132313233313222313231323132322123231323221211   >>    C12321323221333132213231323331322231323132313232212323132322121   <<    C123213232213331322132313233313222313231323132322123231323221213   >>      C123213232213331322132313233313222313231323132322123231323221212   >>