C212212121213232233131313231323223313233313231211331323132312112331   >>    C21221212121323223313131323132322331323331323121133132313231211233   <<    C212212121213232233131313231323223313233313231211331323132312112333   >>      C212212121213232233131313231323223313233313231211331323132312112332   >>