C1212121231123232233131323223313233313233313223313232332313231121131   >>    C121212123112323223313132322331323331323331322331323233231323112113   <<    C1212121231123232233131323223313233313233313223313232332313231121133   >>      C1212121231123232233131323223313233313233313223313232332313231121132   >>