C212212121213232233131313231323223313232233132222331323132112331   >>    C21221212121323223313131323132322331323223313222233132313211233   <<    C212212121213232233131313231323223313232233132222331323132112333   >>      C212212121213232233131313231323223313232233132222331323132112332   >>